[clang-tools-extra] [clang-tidy][NFC] Temporary disable `llvm-header-filter` check (PR #167021)

[Baranov Victor via cfe-commits]

https://github.com/vbvictor created https://github.com/llvm/llvm-project/pull/167021

Temporary disabled under "llvm" dir because of https://github.com/llvm/llvm-project/issues/166750.

>From 29c70e486b93e119c206f782898a2cf13d56c53a Mon Sep 17 00:00:00 2001
From: Victor Baranov <bar.victor.2002 at gmail.com>
Date: Sat, 8 Nov 2025 00:02:42 +0300
Subject: [PATCH] [clang-tidy][NFC] Temporary disable llvm-header-filter check

---
 clang-tools-extra/clang-tidy/llvm/.clang-tidy | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 clang-tools-extra/clang-tidy/llvm/.clang-tidy

diff --git a/clang-tools-extra/clang-tidy/llvm/.clang-tidy b/clang-tools-extra/clang-tidy/llvm/.clang-tidy
new file mode 100644
index 0000000000000..08c2c1d2328e9
--- /dev/null
+++ b/clang-tools-extra/clang-tidy/llvm/.clang-tidy
@@ -0,0 +1,5 @@
+InheritParentConfig: true
+# FIXME(vbvictor) enable this check when https://github.com/llvm/llvm-project/issues/166750 is fixed
+# and github runners are updated to include the fix
+Checks: >
+  -llvm-header-guard